A particular strain of yeast produces strains with a mutant cdc2 gene, resulting in little to no production of the Cdc2 protein kinase. As a result, one would expect that these cells would
A) not enter M phase.
B) not have the nuclear envelope disperse.
C) lack chromosome condensation.
D) all of the above
E) none of the above
D) all of the above
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The distinctive feature of chloroplasts is that they contain a green pigment called:
A. Gram stain. B. chlorophyll. C. hemoglobin. D. chromatin. E. keratin.
Atoms and molecules are part of which level of organization in the human body
a. Chemical b. Cellular c. Tissue d. Organ
Gibberellins affect many processes in plants. In seeds embryos, gibberellins are believed to signal hydrolysis of the stored food reserves through inducing the synthesis of the enzyme a-amylase. Which food source are gibberellins targeting with the release of a-amylase?
A. omega-3 fatty acids B. starch C. glycogen D. fructose E. protein Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about hormone and enzyme function in plants? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
What is nondisjunction?
A) failure of chromosomes to duplicate before mitosis or meiosis B) failure of cells to divide by cytokinesis in meiosis C) failure of homologous chromosomes or sister chromatids to separate in meiosis D) an extra duplication of the chromosomes before mitosis or meiosis E) failure of sperm and egg to fuse in fertilization